1 files changed, 2 insertions, 0 deletions

diff --git a/arch/microblaze/kernel/process.c b/arch/microblaze/kernel/process.c
index 4201c743cc9f..c592d475b3d8 100644
--- a/arch/microblaze/kernel/process.c
+++ b/arch/microblaze/kernel/process.c
@@ -235,7 +235,9 @@ void start_thread(struct pt_regs *regs, unsigned long pc, unsigned long usp)
         regs->pc = pc;
         regs->r1 = usp;
         regs->pt_mode = 0;
+#ifdef CONFIG_MMU
         regs->msr |= MSR_UMS;
+#endif
 }
 
 #ifdef CONFIG_MMU